Flash
cartridges are carried like bullets in a special magazine and detonate in
large Bangs!Andō says that
the noise produced by the Doryu flash system varies with the weather, and is
much lower than that of an actual pistol.

The
pistol camera DORYU 2-16 variant of Mr. Ryu Koakimoto-san.

The
following research is a 16mm camera like a joke.
This police camera has another construction variant.
The DORYU 2-16 has the same C mount as the 16mm movie camera.
A Cine-Nikkor 25mm F1.4 lens was able to be mounted in the DORYU 2-16 pistol
camera.
You can find the small lens for GOLDECK 16 on the table.
These lenses are also compatible with DORYU 2-16 pistol camera.

A pistol
camera DORYU 2-16 with Cine-Nikkor 25mm F1.4

Engraving of DORYU 2-16

The pistol camera DORYU 2-16 Variant

Mr. Ryu Koakimoto and DORYU 2-16

Literature

Another
Pistol type camerais the Mamyia Police camera.

Instructions

Pictures taken from Shashin Kōgyō March 1955, in an article by Andō
Katsuyasu.

And full
instruction drawings.

We see how the flash works using the “Kapsel-Blitz” bullets,

and the assembly guide.

And there were the Doryu 3 !

Shashin Kōgyō
March 1955

The Doryu 1 (ドリウ1型)
or Doryu 1-9.5 (ドリウ1-9.5型)
is a pistol-shaped camera taking 9.5mm film, completed in 1952 by the Doryu
company at prototype level only, and predecessor of the Doryu 2-16. (The
camera itself has markings identifying it as a "Doryu 3", and some sources
have wrongly inferred that it was made in 1955 or 1956, after the model 2.)